The Doppel 2.0 is an updated, streamlined version of the first democratized split-seconds chronograph, hand-built by the man who did the democratizing.

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This 18k pink gold openface watch is a minute repeating perpetual calendar split-seconds chronograph clockwatch with grande and petite sonnerie and moon phases, manufactured in 1898.

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The cover lot, made of pink gold, is a "split seconds" chronograph, so-called because it has not one, but two second hands and is capable of timing two different parts of a dramatic event, say, a high-stakes horse race or an auto rally.

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